1. Communicates Regulates Remembers
Nervous system
Communicates
Regulates
Remembers

2. Cells
The primary cells of the nervous system are called neurons.

3. Neurons The dendrites receive information from the synapse
The cell body processes the information
Axons send the information to another cell electrically
The Schwann cells make a special insulation called a myelin sheath so the electricity travels faster.
Axon terminals release chemicals called neurotransmitters that send the message across the synapse to the next cell (dendrite)

4. Your homework over vacation
Use recycled materials, and build a 3D model of a motor neuron. Be sure to label Structure:
Axon, axon terminals, cell body, dendrite, myeline sheath, schwann cells, nodes of Ranvier, nucleus,skeletal muscle.
Explain function of each part .
We’ll put them up and make a reflex arc all around the class.

5. Synapse

6. Tissues
Nerves
Fat
Muscles
Blood
Skin

7. Organs Brain Spinal chord nerves Muscles Sensory receptors
eyes,ears,nose,tongue,skin

8. Central nervous system CNS
Brain and spinal chord
Interprets

9. Brain The 3 parts of the Brain: Cerebrum: thinking, moving, sensing
Cerebellum: Balance coordination, muscle tone
Brain stem:
Regulate breathing, heart rate, communication to cerebrum

10. Sensory Motor parts of the cerebrum
Frontal lobe: reasoning, speech,
muscle control
Parietal Lobe: sensing, feeling
Occipital Lobe: vision
Temporal Lobe: hearing language

11. Left Brain/Right Brain

12. Inside the brain (Sagital section)

13. Spinal chord

14. How does our brain feel. The blue stripe controls feeling
How does our brain feel? The blue stripe controls feeling. the yellow stripe controls movement.

15. What body parts have the most feeling? According to the brain.

16. What body parts require the most brain power to move?

17. What would you look like if your brain space determined your biggest parts?

18. Peripheral Nervous System,PNS receives signals from the senses, sends them to the CNS responds to the signal

19. Reflex arc Knee jerk reaction Pain reflex
The sensory receptors pick up a stimulus and change it into electrical impulses.
The sensory or afferent nerve. Carries the message to the CNS.
It’s axon is covered with myelin which is white so this is called white matter.
The interneuron is found in the grey matter of the spinal chord. This is mostly cell bodies.
The motor or efferent nerve transmits a signal to muscle and makes it react.
This can be voluntary (Skeletal muscles) or involuntary (smooth and cardiac muscles)